Diaphragm valve



FIG. 1 is a top perspective view of a diaphragm valve showing my newdesign,

FIG. 2 is a bottom perspective view thereof,

FIG. 3 is a bottom plan view thereof,

FIG. 4 is a cross-sectional view taken on line 4--4 of FIG. 3;

FIG. 5 is a top perspective view of a modified form of the diaphragmvalve shown in FIG. 1;

FIG. 6 is a bottom perspective view of FIG. 5;

FIG. 7 is a bottom plan view of FIG. 5;

FIG. 8 is a cross-sectional view taken on line 8--8 of FIG. 7;

FIG. 9 is a top perspective view of a second modified form of thediaphragm valve shown in FIG. 1;

FIG. 10 is a bottom perspective view of FIG. 9;

FIG. 11 is a bottom plan view of FIG. 9; and

FIG. 12 is a cross-sectional view taken on line 12--12 of FIG. 11.

The ornamental design for a diaphragm valve, as shown and described. 